| 2024 | Hss Properties Corporation | 990 | Member | 0.14 | $0 | $0 | View return |
| 2024 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.27 | $0 | $0 | View return |
| 2024 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.29 | $0 | $0 | View return |
| 2023 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.27 | $0 | $0 | View return |
| 2023 | Hss Properties Corporation | 990 | Member | 0.13 | $0 | $0 | View return |
| 2023 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.27 | $0 | $0 | View return |
| 2022 | Hss Properties Corporation | 990 | Member | 0.12 | $0 | $0 | View return |
| 2022 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 2.02 | $0 | $0 | View return |
| 2022 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.24 | $0 | $0 | View return |
| 2021 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.39 | $0 | $0 | View return |
| 2021 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.05 | $0 | $0 | View return |
| 2021 | Hss Properties Corporation | 990 | Member | 0.02 | $0 | $0 | View return |
| 2020 | Hss Properties Corporation | 990 | Member | 0.02 | $0 | $0 | View return |
| 2020 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.37 | $0 | $0 | View return |
| 2020 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.04 | $0 | $0 | View return |
| 2019 | Hss Properties Corporation | 990 | Member | 0.03 | $0 | $0 | View return |
| 2019 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.54 | $0 | $0 | View return |
| 2019 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.06 | $0 | $0 | View return |
| 2018 | Hss Properties Corporation | 990 | Member | 0.03 | $0 | $0 | View return |
| 2018 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.06 | $0 | $0 | View return |
| 2018 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.54 | $0 | $0 | View return |
| 2017 | Hss Properties Corporation | 990 | Member | 0.02 | $0 | $0 | View return |
| 2017 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.04 | $0 | $0 | View return |
| 2017 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.37 | $0 | $0 | View return |
| 2016 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.37 | $0 | $0 | View return |
| 2016 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.04 | $0 | $0 | View return |
| 2016 | Hss Properties Corporation | 990 | Member | 0.02 | $0 | $0 | View return |
| 2015 | Hss Properties Corporation | 990 | Member | 0.02 | $0 | $0 | View return |
| 2015 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.04 | $0 | $0 | View return |
| 2015 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.37 | $0 | $0 | View return |
| 2014 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.37 | $0 | $0 | View return |
| 2014 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.04 | $0 | $0 | View return |
| 2014 | Hss Properties Corporation | 990 | Member | 0.02 | $0 | $0 | View return |
| 2013 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.37 | $0 | $0 | View return |
| 2013 | Hss Properties Corporation | 990 | Member | 0.02 | - | - | View return |
| 2013 | New York Society for the Relief of the Ruptured and Crippled Maintaining the Hospita | 990 | Member | 0.37 | $0 | $0 | View return |
| 2013 | The Hospital for Special Surgery Fund Inc | 990 | Member | 0.04 | - | - | View return |